Ohio Dams
1,377 dams tracked by the National Inventory of Dams
Total Dams
1,377
High Hazard
397
28.8%
Poor / Unsatisfactory
509
Average Age
65 yrs
Hazard Classification
High397 (28.8%)
Significant564 (41.0%)
Low339 (24.6%)
Condition Assessment
Satisfactory324 (23.5%)
Fair421 (30.6%)
Poor / Unsatisfactory509 (37.0%)
Not Rated123 (8.9%)
Federal
39
State
115
Local
356
Private
753
Tallest Dams
High Hazard Dams
Poor Condition Dams
All Dams in Ohio
Showing 151–175 of 324
| Dam Name | Height (ft) | Year | Hazard | Condition |
|---|---|---|---|---|
| Livezey Lake Dam Belmont County | 33 | 1975 | Low | Satisfactory |
| Lindenwood Lake Dam Medina County | 30 | 1958 | Significant | Satisfactory |
| Lincoln Estates Lake Dam Medina County | 17 | — | Significant | Satisfactory |
| Lexington Glen Dam Delaware County | 23 | 1990 | High | Satisfactory |
| Ledge Lake Dam Medina County | 38 | 1965 | Low | Satisfactory |
| Leatherwood Lake Dam Guernsey County | 12 | 1972 | Significant | Satisfactory |
| Lawco Lake Dam Lawrence County | 17 | 1931 | Low | Satisfactory |
| Larue Wastewater Treatment Lagoon Marion County | 10 | 2001 | Significant | Satisfactory |
| Landen Farm Lake Dam Warren County | 40 | 1975 | High | Satisfactory |
| Lamborn No. 4 Dam Harrison County | 39 | 1968 | Low | Satisfactory |
| Lake Waynoka Upground Reservoir Brown County | 23 | 1973 | Significant | Satisfactory |
| Lake Waynoka Retention Dam Brown County | 32 | 1973 | Significant | Satisfactory |
| Lake Waynoka Dam Brown County | 53 | 1973 | High | Satisfactory |
| Lake Tomahawk Dam Hocking County | 36 | 1962 | Low | Satisfactory |
| Lake Royal Dam Ross County | 34 | 1975 | Significant | Satisfactory |
| Lake Ramona Dam Fairfield County | 23 | 1929 | Low | Satisfactory |
| Lake of The Four Seasons Dam Hocking County | 49 | 1966 | High | Satisfactory |
| Lake Noah Dam Summit County | 31 | 1938 | Significant | Satisfactory |
| Lake Milton Dam Jackson County | 34 | — | Low | Satisfactory |
| Lake Meek Dam Richland County | 26 | 1965 | Low | Satisfactory |
| Lake Marinole Dam Montgomery County | 29 | 1966 | High | Satisfactory |
| Lake Margaret Dam Scioto County | 35 | 1953 | Significant | Satisfactory |
| Lake Lorelei Dam Brown County | 42 | 1968 | Significant | Satisfactory |
| Lake Litchfield Dam Summit County | 69 | 1975 | High | Satisfactory |
| Lake Legendary Dam Muskingum County | 45 | 1968 | Significant | Satisfactory |
Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.